Article (Scientific journals)
Magnetic resonance imaging for non-invasive measurement of plastic ingestion in marine wildlife
Anderssen, Kathryn E; Gabrielsen, Geir Wing; Kranz, Mathias et al.
2022In Marine Pollution Bulletin, 185 (Pt B), p. 114334
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Keywords :
Fulmar; Magnetic resonance imaging; Nuclear magnetic resonance; Plastic pollution; Plastics; Imaging method; Marine wildlife; Non- invasive measurements; Resonance signals; Aquatic Science; Arctic
Abstract :
[en] Monitoring plastic ingestion by marine wildlife is important for both characterizing the extent of plastic pollution in the environment and understanding its effect on species and ecosystems. Current methods to detect plastic in the digestive system of animals are slow and invasive, such that the number of animals that can be screened is limited. In this article, magnetic resonance imaging (MRI) is investigated as a possible technology to perform rapid, non-invasive detection of plastic ingestion. Standard MRI methods were able to directly measure one type of plastic in a fulmar stomach and another type was able to be indirectly detected. In addition to MRI, other standard nuclear magnetic resonance (NMR) measurements were made. Different types of plastic were tested, and distinctive NMR signal characteristics were found in common for each type, allowing them to be distinguished from one another. The NMR results indicate specialized MRI sequences could be used to directly image several types of plastic. Although current commercial MRI technology is not suitable for field use, existing single-sided MRI research systems could be adapted for use outside the laboratory and become an important tool for future monitoring of wild animals.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Anderssen, Kathryn E;  Department of Seafood Industry, Nofima AS, P.O. Box 6122, 9291 Tromsø, Norway. Electronic address: kate.anderssen@nofima.no
Gabrielsen, Geir Wing;  Norwegian Polar Institute, Fram Centre, 9296 Tromsø, Norway
Kranz, Mathias;  PET Imaging Center Tromsø, University Hospital North-Norway (UNN), 9009 Tromsø, Norway, Nuclear Medicine and Radiation Biology Research Group, The Arctic University of Norway, UiT, 9009 Tromsø, Norway
Collard, France  ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie analytique inorganique ; Norwegian Polar Institute, Fram Centre, 9296 Tromsø, Norway
Language :
English
Title :
Magnetic resonance imaging for non-invasive measurement of plastic ingestion in marine wildlife
Publication date :
December 2022
Journal title :
Marine Pollution Bulletin
ISSN :
0025-326X
eISSN :
1879-3363
Publisher :
Elsevier Ltd, England
Volume :
185
Issue :
Pt B
Pages :
114334
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Norges Forskningsråd
FRAM - Framsenteret
Funding text :
This study was funded by the Fram Centre research program “Plastic in the Arctic” through the PlastFul (PA072018) project, and the fieldwork was funded by the Research Council of Norway through the FulPlast2 project (# 327623 ). We also acknowledge the PlastPoll project funded by the Research Council of Norway (# 275172 ). The authors thank the PETcore facility at UiT for the use of the preclinical MRI scanner.
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since 16 January 2023

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